CN209533142U - A kind of fast tune pipe vice - Google Patents

Abstract

The utility model discloses a kind of fast tune pipe vices, including fixed caliper, can fix relatively caliper back-and-forth motion moving caliper, the regulating element to adjust moving caliper position is equipped on fixed caliper, the regulating element is flexibly connected with fixed caliper, to make regulating element that there is one and the bonding station of moving caliper engagement, a disengaged position mutually separated with moving caliper, the clutch that regulating element can be made to switch between bonding station and disengaged position is equipped on fixed caliper.The utility model can rapidly adjust the size of jaw, to facilitate clamping and rotate the pipe fitting of different specification size.

Description

A kind of fast tune pipe vice

Technical field

The utility model relates to hardware tool manufacturing technology fields, more particularly, to a kind of fast tune pipe vice.

Background technique

Pipe vice is a kind of hardware tool for being mainly used for clamping and rotating steel tube class pipe fitting, and existing pipe vice usually wraps Include moving caliper, the fixed caliper with grip part, moving caliper includes that sliding bar, sliding bar front end are bent to form adjustable clamp Tooth, to keep moving caliper L-shaped, the front end of fixed caliper is equipped with mounting portion, and grips pincers tooth is arranged in the front end of mounting portion, Mounting portion is equipped with the sliding channel of front and back perforation, and sliding bar is slidably connected in sliding channel, to make adjustable clamp tooth and consolidate Surely small jaw in pincers tooth formation mouth positioned opposite is big.In addition, rotatable adjusting worm screw is arranged on interconnecting piece, in motion bar The wrom tooth that upper setting is engaged with adjusting worm screw.When we, which rotate, adjusts worm screw, before motion bar can be driven in sliding channel After move, so that the jaw size between adjustable clamp tooth and grips pincers tooth is adjusted, to adapt to various sizes of pipe fitting

When needing to clamp and rotating round tube, first passes through and adjust the position that worm screw adjusts the relatively fixed caliper of moving caliper, make Jaw between adjustable clamp tooth and grips pincers tooth is adapted with the diameter of pipe fitting, and round tube is then squeezed into adjustable clamp tooth and grips pincers In the jaw of tooth, pipe fitting at this time and adjustable clamp tooth, grips pincers tooth closely against.When the grip part that we hold fixed caliper turns When dynamic pipe vice, pipe fitting rotation can be driven by the frictional force between grips pincers tooth, adjustable clamp tooth and pipe fitting.

The meshing relation of worm and gear is formed between worm screw and sliding bar due to adjusting, snail is adjusted when we rotate When bar, rotation can be effectively reduced and adjust driving force and torque required for worm screw, still, cause to move before and after sliding bar simultaneously Move the slow of speed.In particular, when we need continually to toggle clamping and rotate two dimensions differences greatly When pipe fitting, the adjustment structure of existing moving caliper, which will cause, greatly to be bothered, and is unfavorable for the raising of working efficiency.

Utility model content

Purpose of the utility model is to solve adjusting adjustable clamp tooth present in existing pipe vice and grips pincers teeth Between the problem of jaw size speed is slow, low efficiency, provide it is a kind of it is fast adjust pipe vice, the size of jaw can be rapidly adjusted, from And facilitates clamping and rotate the pipe fitting of different specification size.

To achieve the goals above, the utility model uses following technical scheme:

It is a kind of fast to adjust pipe vice, including fixed caliper, can fix the moving caliper that caliper is moved forward and backward relatively, in grips pincers Body is equipped with the regulating element to adjust moving caliper position, and the regulating element is flexibly connected with fixed caliper, to make Regulating element has one and the bonding station of moving caliper engagement, a disengaged position mutually separated with moving caliper, solid Fixed clamp is equipped with the clutch that regulating element can be made to switch between bonding station and disengaged position.

Unlike the prior art, the regulating element of the utility model is movably connected on fixed caliper, and Clutch is set on fixed caliper, so as to make regulating element rapidly carry out switchback between bonding station and disengaged position It changes.When regulating element is in disengaged position, regulating element and moving caliper are disengaged, at this point, the back-and-forth motion of moving caliper is not By the constraint of regulating element, therefore, we can directly and quickly be moved forward and backward moving caliper to specification, a size with pipe fitting Then substantially matching position makes regulating element rapidly switch to bonding station from disengaged position, at this time by clutch Regulating element is engaged with moving caliper, we can be finely adjusted by position of the regulating element to moving caliper, and then make to live Jaw size and pipe fitting accurate match between moving caliper and fixed caliper.Similarly, when we need to clamp specification, a size When entirely different pipe fitting, first regulating element can be made to switch to disengaged position with clutch, then rapidly be moved forward and backward and live Moving caliper then switches to regulating element with clutch and connects to a position substantially matching with specification, the size of pipe fitting Coincidence is set, and the front-rear position of moving caliper is finely tuned by regulating element, and then make the pincers between moving caliper and fixed caliper Mouth size and pipe fitting accurate match.That is, the utility model by a clutch make regulating element can switch to The disengaged position that moving caliper disengages, and then make regulating element that there is " coarse adjustment " state quickly adjusted and a fine tune " fine tuning " state of section, can both realize the quick adjusting of the size of jaw, to be conducive to improve working efficiency, and can realize pincers The fine adjustment of mouth size ensures that jaw size matches with pipe fitting specification, size.

Preferably, the fixed caliper is equipped with the installation through-hole of perforation front and rear sides, penetrates through rear and front end along longitudinal direction Sliding through hole, the installation through-hole is connected with sliding through hole, the regulating element be longitudinally located in installation through-hole, tool There is the worm screw of worm shaft, the moving caliper includes the adjusting section being movably disposed in sliding through hole, and the adjusting section is leaned on The downside of nearly regulating element is equipped with the wrom tooth engaged with worm screw.

By the cooperation of worm screw and wrom tooth, regulating element can be made subtly to finely tune moving caliper, and realize moving caliper Front-rear direction on voluntarily positioning, the automatic opening of jaw when pipe vice being avoided to use.It is understood that we can facilitate Ground makes worm screw move, switch between bonding station and disengaged position, thus realize engagement between worm screw and wrom tooth or point From.In particular, the sliding of front and back perforation is led to convenient for users to fingerhold and rotary worm.

Preferably, the rear side of the fixed caliper is equipped with counterbore, capping, the installation through-hole perforation envelope are equipped in counterbore Lid, installation through-hole, which is located on the front and rear sides wall of fixed caliper longitudinal direction, is respectively equipped with the sliding groove extended transversely, the worm screw The front and back ends of axis are located at installation through-hole and correspond in the sliding groove of side.

Since regulating element is primarily subjected to longitudinal active force at work, the fixed caliper of the utility model is adopted With splicing structure, counterbore covering installation through-hole and sliding groove therein, to make the installation through-hole on fixed caliper, sliding groove Referred to as open design facilitates it by technological formings such as forgings, not only improves and improves structural strength, mitigates weight, and facilitates it Process and assemble, and will not intensity, stress to components such as fixed caliper, regulating elements have a negative impact.

Preferably, the clutch includes the clutch linkage with hinged end and connecting pin, the clutch linkage Hinged end is equipped with the articulated shaft that is hinged with fixed caliper, and described worm shaft one end is hinged on fixed caliper, worm shaft it is another One end and the connecting pin of the clutch linkage form and are slidably connected, and the articulated shaft of the clutch linkage is equipped with rotational handle.

It is understood that worm shaft connects to form triangular structure with clutch linkage.Due to worm shaft and clutch linkage Product is to be slidably connected, and therefore, when user rotates forward rotational handle, clutch linkage can be driven to turn by articulated shaft It is dynamic.At this point, the worm shaft being slidably connected with clutch linkage can produce rotation, so that worm screw be made mutually to separate with wrom tooth and enter and divide It offs normal and sets.Certainly, the tie point position of clutch linkage and worm shaft can correspondingly move and change at this time.When user reversely turns When turn fixed handle, worm shaft can be driven to rotate backward, and switch to bonding station.In addition, since worm shaft one end is hinged On fixed caliper, therefore, it can avoid worm shaft and worm screw move up in the vertical of front and back.

Preferably, the connecting pin of clutch linkage is equipped with the sliding ring set being movably set on worm shaft, work as worm screw When in bonding station, the angle of the clutch linkage and worm shaft is between 80 degree to 100 degree.

Worm shaft can slide in sliding ring set, be slidably connected to make to be formed between worm shaft and clutch linkage, together When can be effectively prevented between worm shaft and clutch linkage and be separated from each other, and facilitate the dress between worm shaft and clutch linkage Match.In particular, when worm screw is in bonding station, the angle of clutch linkage and worm shaft between 80 degree to 100 degree so that from Closing can form self-locking between connecting rod and worm shaft, to make clutch linkage that can form reliable support to worm shaft, avoid worm screw It is disengaged with moving caliper.

Preferably, the end that the articulated shaft stretches out fixed caliper is equipped with radial screw hole, the rotational handle is equipped with The sleeve joint hole being set on articulated shaft, in the side of rotational handle, corresponding radial screwhole position is equipped with the positioning of perforation sleeve joint hole Hole, the positioning hole are equipped with positioning screw, and the inner end of the positioning screw is threaded in the radial screw hole.

On the one hand positioning screw can make rotational handle easily link into an integrated entity with articulated shaft, on the other hand can play similar The effect of pin, so that rotational handle transmits torque to articulated shaft.

Preferably, the both ends of the worm shaft are slidably connected on fixed caliper respectively, the clutch includes one It holds the clutch handle being hinged on fixed caliper, the elasticity for making worm screw be resiliently positioned in bonding station is set on fixed caliper Element, clutch handle middle part are equipped with the driving protrusion against worm screw close to moving caliper side.

In this scheme, the both ends of worm shaft are slidably connected on fixed caliper respectively, and therefore, worm screw can be with respect to adjustable clamp Body translation, and elastic element therein then can make worm screw automatically reset from disengaged position to bonding station.When user's forward direction turns When dynamic clutch handle, the driving protrusion in the middle part of clutch handle can push worm screw to overcome the elastic force of elastic element, away from work Moving caliper side is mobile, and worm screw at this time switches to disengaged position by bonding station.When user unclamps clutch handle, elasticity The elastic force driving worm translation of element is reset to bonding station, to realize automatically reseting for worm screw, facilitates operation.

Preferably, the clutch handle includes the clutch-plate bar for being separately positioned on fixed caliper front and rear sides, it is described from The front end for closing piece bar is hinged on the fixed caliper, and the rear end of the clutch-plate bar is linked into an integrated entity by connection sheet, described The semicircle piece on the downside of clutch-plate bar is arranged in driving protrusion with being integrated.

Clutch-plate bar and connection sheet connect into the clutch handle of a U-shaped, so that it is solid to be hinged on clutch handle firmly On fixed clamp.Correspondingly, the driving protrusion on the clutch-plate bar of front and rear sides pushes worm screw simultaneously in front and rear sides, makes worm screw Smoothly move.In particular, drive raised semicircular in shape, therefore when clutch handle rotation, driving protrusion can always with worm screw Point contact is kept, is conducive to reduce friction between the two.

Preferably, the elastic element includes former and later two reset springs, the reset spring compresses corresponding one respectively Hold the downside of worm shaft.

Former and later two reset springs can ensure that the stress equalization of worm shaft rear and front end, enable worm screw smoothly on move down It is dynamic, it avoids generating inclination when its movement.

Preferably, be respectively equipped with containing groove in the two sides up and down of sliding through hole, adjust on rear side of section with sliding through hole it Between be equipped with connection sheet, the forward fold of the both sides of the edge up and down formation of connection sheet reclines and adjusts the detent piece of section, the card of upper and lower two sides Bit slice is located in the containing groove of corresponding side, and the detent on piece in downside is equipped with rectangle punching, and rectangle punching side is wide Degree edge is integrally inclined outwardly the elastic slice for extending to form and compressing containing groove bottom wall, is equipped with and compresses in the containing groove of upside The pressure spring of the detent piece of side.

Since the two sides up and down of connection sheet are bent to form detent piece respectively, to form a U-lag, at this time moving caliper Adjusting section be located in U-lag.The elastic slice that one end is connect with detent piece forms cantilever beam structure, when the free end of elastic slice is bent Qu Shi can produce corresponding elastic force.Therefore, pressure spring forms active force of the front end to lower swing, and elastic slice to linkage section To the active force that one front end of linkage section formation is swung up, the elastic force of pressure spring and elastic slice makes adjusting section be resiliently positioned in sliding Middle position in through-hole.That is, being adjusted between section and the two sides up and down of sliding through hole at this time has gap.When we will manage The jaw of son pincers is when snapping fit on pipe fitting, and moving caliper can be swung up an angle, pressure spring at this time make moving caliper with The jaw of fixed caliper forms the chucking power of a preload to pipe fitting, jaw and pipe when so as to be effectively prevented from turne tube pincers Slipping phenomenon is generated between part.

It is understood that comparing with existing pressure spring, elastic slice can reduce the size of containing groove to the maximum extent, in turn Reduce the outer dimension of mounting portion or more width direction, and elastic slice can pass through punch forming process one with connection sheet, detent piece System is to simplify fabrication schedule, ease of assembly.And pressure spring can then make to adjust section and form one and biggish be swung up angle Degree.

Therefore, the utility model has the following beneficial effects: the size of jaw can be rapidly adjusted, to facilitate clamping simultaneously Rotate the pipe fitting of different specification size.

Detailed description of the invention

Fig. 1 is the structural schematic diagram that the utility model is in bonding station using regulating element when the first clutch.

Fig. 2 is the structural schematic diagram that the utility model is in disengaged position using regulating element when the first clutch.

Fig. 3 is that the utility model is shown using another connection structure of clutch linkage when the first clutch and worm shaft It is intended to.

Fig. 4 is a kind of cross-sectional view of the first clutch.

Fig. 5 is the structural schematic diagram that the utility model is in bonding station using regulating element when second of clutch.

Fig. 6 is a kind of structural schematic diagram of connection sheet.

In figure: 1, fixed caliper 11, grip part 12, mounting portion 121, grips pincers tooth 122, installation through-hole 123, cunning Dynamic through-hole 124, sliding groove 26, containing groove 2, moving caliper 21, adjusts section 211, adjustable clamp tooth 3, snail at counterbore 125 Bar 31, worm shaft 4, clutch linkage 41, articulated shaft 42, sliding ring set 43, positioning screw 44, torsional spring 45, transition connecting rod 5, clutch handle 51, clutch-plate bar 52, connection sheet 53, driving raised 6, elastic element 7, connection sheet 71, detent piece 72, elastic slice 73, pressure spring 8, rotational handle.

Specific embodiment

The utility model is further described with specific embodiment with reference to the accompanying drawing.

As shown in Figure 1, Figure 2, Figure 4 shows, a kind of fast tune pipe vice, including fixed caliper 1, moving caliper 2, setting are in grips pincers Regulating element on body.Fixed caliper therein includes the grip part 11 of strip, the mounting portion 12 positioned at grip part front end, The front side of mounting portion is equipped with grips pincers tooth 121.Moving caliper includes that can be arranged in movably forward and backward on the mounting portion of fixed caliper Strip adjusting section 21, the adjustable clamp tooth 211 opposite with grips pincers tooth is set adjusting section front end, thus in adjustable clamp tooth The jaw to clamp pipe fitting is formed between grips pincers tooth.Regulating element is associated with the adjusting section of moving caliper, so as to The front-rear position of the relatively fixed caliper of moving caliper, and then the size of adjusting jaw are adjusted by regulating element, and make activity The relatively fixed caliper positioning of caliper enables jaw to be securely fixed when adjusting to suitable size, with adapt to different sizes with The clamping of the pipe fitting of specification avoids the problem that jaw occurs in use and opens automatically for pipe vice.

It is understood that since regulating element is associated with the adjusting section of moving caliper, the movement of moving caliper It will receive the constraint of regulating element, that is to say, that moving caliper individually and directly can not be moved and be adjusted.When pipe vice needs It is continually toggled between the pipe fitting of different specification size in use, will cause work by regulating element adjusting jaw size Make inefficiency.

In order to realize the quick adjusting of moving caliper, we can make, and regulating element and fixed caliper are rotatablely connected or sliding connects It connects, to make regulating element that there is one and the bonding station of moving caliper engagement, a separation mutually separated with moving caliper Position, while the clutch that regulating element can be made to switch between bonding station and disengaged position is set on fixed caliper. When regulating element is switched to disengaged position by clutch, regulating element and moving caliper are disengaged, at this point, before moving caliper Move the constraint not by regulating element afterwards, therefore, we can directly, be rapidly moved forward and backward moving caliper, to make adjustable clamp Specification, the size of jaw size and pipe fitting between tooth and grips pincers tooth are substantially matching, and then jaw is fastened on pipe fitting, and Regulating element is rapidly switched into bonding station from disengaged position by clutch, regulating element connects with moving caliper at this time It closes, we can be finely adjusted by position of the regulating element to moving caliper, and then be made between moving caliper and fixed caliper Jaw size and pipe fitting accurate match.Turne tube pincers, can drive pipe fitting to rotate.

When we need to clamp an entirely different pipe fitting of specification, size again, first can make to adjust with clutch Element switches to disengaged position, is then rapidly moved forward and backward moving caliper, and the specification that makes jaw size and pipe fitting, size are substantially Jaw, is then fastened on pipe fitting by matching, and so that regulating element is switched to bonding station with clutch, then by adjusting member Part finely tunes the front-rear position of moving caliper, and then makes jaw size and pipe fitting accurate match.That is, the pipe of the utility model " fine tuning " state that sub- tonger has " coarse adjustment " state of a quick adjusting jaw size and one fine-tunes jaw size, both The quick adjusting of the size of jaw can be achieved, to be conducive to improve working efficiency, and can realize the fine adjustment of jaw size, Ensure that jaw size matches with pipe fitting specification, size.

Preferably, installation through-hole 122, the installation of perforation front and rear sides can be arranged at the middle part of fixed caliper mounting portion in we The top setting in portion penetrates through the sliding through hole 123 of rear and front end, the upside of installation through-hole and the downside phase of sliding through hole along longitudinal direction Connection, the adjusting section of moving caliper are slidably located in sliding through hole.Regulating element is the worm screw being arranged in installation through-hole 3, the worm shaft 31 of the worm screw is longitudinally disposed, and the wrom tooth engaged with worm screw is arranged in downside for the adjusting section of moving caliper.When us With finger from when the clamping of the front and rear sides of installation through-hole and rotary worm, by the cooperation of worm screw and wrom tooth, adjustable clamp can be driven Body is moved forward and backward in sliding through hole, to subtly finely tune the size of jaw, and is realized on the front-rear direction of moving caliper Voluntarily positioning, the automatic opening of jaw when pipe vice being avoided to use.Certainly, worm screw should be rotatably sleeved on worm shaft, And the axial limit structure of the shaft shoulder, retaining ring etc is set on worm shaft, worm screw is avoided to move on worm shaft, and is slided logical Answer longitudinally disposed in hole.

It should be noted that fixed caliper, which is equipped with grips pincers tooth one end, in the present embodiment is known as front end, holds one end and claim For rear end, and the direction between the front and back ends is known as longitudinal, and will be perpendicular to longitudinal up and down direction and be known as laterally.In addition, Sliding through hole side will be set on mounting portion and be known as upside, setting installation through-hole side is known as downside, and by the installation of mounting portion The opening two sides of through-hole are referred to as front side and rear side.

For convenience of processing and assembling, counterbore 124 can be arranged in the rear side of fixed caliper mounting portion in we, and setting is used in counterbore The fixed capping 13 of screw.In addition, installation through-hole penetrates through capping from front to back, so that fixed caliper be made to become at installation through-hole Splicing structure.Certainly, the size of the counterbore should cover installation through-hole.That is, the front side of worm screw is installed from fixed caliper Protruding at installation through-hole in portion, the rear side of worm screw is protruding from the installation through-hole in capping, thus convenient to use Person's fingerhold, rotary worm.In addition, installation through-hole is respectively set on the front and rear sides wall for being located at fixed caliper longitudinal direction along cross To the sliding groove 125 of extension, the front and back ends of worm shaft are located at installation through-hole and correspond in the sliding groove of side, thus convenient The rotation or movement of worm screw.

As the first preferred embodiment, clutch includes a clutch linkage 4, and clutch linkage is located on rear side of installation through-hole Sliding groove in, the lower end of clutch linkage is hinged end, and upper end is connecting pin.The hinged end of clutch linkage is equipped with and clutch linkage Vertical articulated shaft 41, the both ends of articulated shaft are rotatably connected on the front and rear sides wall of rear side sliding groove, to make clutch linkage It can be rotated in the sliding groove of rear side.In addition, worm shaft front end is hinged in the sliding groove on front side of installation through-hole, after worm shaft It holds to be formed with the connecting pin of clutch linkage and be slidably connected, worm shaft connects to form triangular structure with clutch linkage, clutch linkage Articulated shaft stretch out mounting portion leading flank end be arranged rotational handle 8.

When user's forward direction stirs rotational handle, clutch linkage rotation can be driven by articulated shaft.At this point, and clutch The worm shaft of rod slide connection can produce rotation, so that worm screw be made mutually to separate with wrom tooth and enter disengaged position.Certainly, this When clutch linkage and the tie point position of worm shaft can correspondingly move and change.When user reversely stirs rotational handle, Worm shaft can be driven to rotate backward, and switch to bonding station.At this point, one end, which is hinged on the worm shaft on fixed caliper, to be kept away Exempt from worm screw to move up in the vertical of front and back.

Further, the connecting pin of clutch linkage is equipped with rotatable sliding ring set 42, and the rear end of worm shaft then plugs In sliding ring set.In this way, worm shaft can be pulled to the bottom by sliding ring set when our forward directions stir rotational handle It is dynamic；When we reversely stir rotational handle, worm shaft can be made to put upwards by the end pushing tow worm shaft of clutch linkage It is dynamic.

Certainly, as shown in figure 3, a transition connecting rod can also be passed through between the rear end of worm shaft and the connecting pin of clutch linkage 45 connect into link mechanism, and the connecting hole of oblong is arranged on clutch linkage and worm shaft, to make transition connecting rod It both ends can be mobile relative to clutch linkage, worm shaft.When user stirs rotational handle, clutch can be driven to connect by articulated shaft Bar rotation, then drives worm shaft to swing by transition connecting rod.

Preferably, when the bonding station that the wrom tooth that worm screw is in moving caliper adjusts section engages, clutch linkage and snail The angle of bar axis is can be controlled between 80 degree to 100 degree, makes clutch linkage that can form reliable support to worm shaft, and in clutch Formed between connecting rod and worm shaft it is self-locking, so that worm screw and moving caliper be avoided to disengage.

In addition, a radial screw hole is arranged in the end that articulated shaft stretches out fixed caliper mounting portion, rotational handle is equipped with set The sleeve joint hole being located on articulated shaft, in the side of rotational handle, corresponding radial screwhole position setting penetrates through the location hole of sleeve joint hole, Positioning screw 43 is set in positioning hole, the inner end of positioning screw is threaded in radial screw hole, to play similar pin Effect, so as to rotational handle to articulated shaft transmit torque.

Certainly, a torsional spring 44 can be also arranged in we on articulated shaft, and one end of torsional spring pins mounting portion, and the other end pins Clutch linkage, torsional spring can drive clutch linkage to rotate, worm screw made to be automatically positioned at bonding station, facilitate the operation of pipe vice.

As second of preferred embodiment, as shown in figure 5, the both ends of worm shaft are slidably connected at mounting portion installation through-hole respectively In the sliding groove of front and rear sides, clutch includes being longitudinally located at clutch handle 5 on the upside of mounting portion, being arranged in grips pincers Worm screw is set to be resiliently positioned in the elastic element 6 of bonding station on body, the front end of clutch handle is hinged on mounting portion, clutch hand The driving protrusion 53 being downwardly extending to handle mid portion on the upside of worm screw.

When user needs quick adjusting jaw size, clutch handle, the driving in the middle part of clutch handle can be stirred downwards The elastic force that protrusion can push worm screw to overcome elastic element moves down, and the wrom tooth of worm screw and adjusting section at this time disengages, worm screw Disengaged position is switched to by bonding station.User can fast move adjusting section, with the size of adjusting jaw.When user pine When opening clutch handle, the elastic force driving worm screw of elastic element, which translates up, is reset to bonding station, to realize the automatic of worm screw It resets, facilitates operation.

Preferably, clutch handle includes the clutch-plate bar 51 for sticking on fixed caliper mounting portion front and rear sides respectively, clutch The front end of piece bar is hinged on mounting portion, and the rear upper side of two clutch-plate bars is linked into an integrated entity by connection sheet 52, is driven convex The semicircle piece being arranged in being integrated on the downside of clutch-plate bar is acted, to make clutch handle can be by metal plate punching process efficient system At.When we rotate down clutch handle, semicircular driving protrusion can keep point contact with worm screw always, be conducive to reduce Friction between the two.Certainly, we should make clutch handle have enough length, to ensure the connection sheet of clutch-plate rod rear end Positioned at adjusting behind section, clutch handle is avoided to interfere when rotating down with moving caliper.

In addition, elastic element includes former and later two reset springs, two reset springs are located at two before and after installation through-hole In the sliding groove of side, the lower end of reset spring compresses sliding groove sidewall, the downside of reset spring upper end worm shaft, so that it is guaranteed that snail The stress equalization of bar axis rear and front end, enables worm screw smoothly to move up and down, and avoids generating inclination when its movement.

Finally, it is recessed that also accommodating can be respectively set in the two sides up and down of sliding through hole in we shown in as shown in Figure 1, Figure 2, Fig. 4, Fig. 6 Connection sheet 7, the forward fold shape of both sides of the edge up and down of connection sheet is arranged in slot 126 between the rear side and sliding through hole for adjusting section At the detent piece 71 for adjusting section that reclines, the detent piece of upper and lower two sides is located in the containing groove of corresponding side, in downside Rectangle punching is arranged in detent on piece, and rectangle punching side widthwise edges, which are integrally inclined outwardly to extend to form, compresses containing groove bottom The elastic slice 72 of wall, setting compresses the pressure spring 73 of the detent piece of upside in the containing groove of upside.The elastic slice shape being connect with detent piece It can produce corresponding elastic force when the free end bend by pressure of elastic slice at cantilever beam structure.It is understood that with existing Pressure spring compare, elastic slice can reduce the size of containing groove to the maximum extent, and then reduce the outer of mounting portion width direction up and down Shape size, and elastic slice can be made into integration with connection sheet, detent piece by punch forming process, thus simplify fabrication schedule, side Just it assembles.Pressure spring to linkage section formed active force of the front end to lower swing, and elastic slice to linkage section formed a front end to The elastic force of the active force of upper swing, pressure spring and elastic slice makes adjusting section be resiliently positioned in middle position in sliding through hole, thus It adjusts and forms gap between section and the two sides up and down of sliding through hole.It is living when we snap fit onto the jaw of pipe vice on pipe fitting Moving caliper can be swung up an angle, and pressure spring at this time makes the jaw of moving caliper and fixed caliper form one to pipe fitting The chucking power of preload generates slipping phenomenon between jaw and pipe fitting when so as to be effectively prevented from turne tube pincers.

Claims (10)

1. a kind of fast adjust pipe vice, including fixed caliper, can fix the moving caliper that caliper is moved forward and backward relatively, in fixed caliper It is equipped with the regulating element to adjust moving caliper position, characterized in that the regulating element is flexibly connected with fixed caliper, To make regulating element that there is one and the bonding station of moving caliper engagement, a separation position mutually separated with moving caliper It sets, the clutch that regulating element can be made to switch between bonding station and disengaged position is equipped on fixed caliper.

2. a kind of fast tune pipe vice according to claim 1, characterized in that the fixed caliper is equipped with perforation front and back two The installation through-hole of side, the sliding through hole for penetrating through rear and front end along longitudinal direction, the installation through-hole are connected with sliding through hole, the tune Section element be longitudinally located in installation through-hole, the worm screw with worm shaft, the moving caliper includes being movably disposed at Adjusting section in sliding through hole, the section that adjusts are equipped with the wrom tooth engaged with worm screw close to the downside of regulating element.

3. a kind of fast tune pipe vice according to claim 2, characterized in that the rear side of the fixed caliper is equipped with counterbore, Counterbore is interior to be equipped with capping, and the installation through-hole perforation covers, and installation through-hole is located on the front and rear sides wall of fixed caliper longitudinal direction and divides The sliding groove that She You do not extend transversely, the front and back ends of the worm shaft are located at the sliding groove that installation through-hole corresponds to side It is interior.

A kind of fast adjust pipe vice 4. according to claim 2, characterized in that the clutch include have hinged end and The clutch linkage of connecting pin, the hinged end of the clutch linkage are equipped with the articulated shaft being hinged with fixed caliper, the worm shaft One end is hinged on fixed caliper, and the connecting pin of the other end of worm shaft and the clutch linkage, which is formed, to be slidably connected, it is described from The articulated shaft for closing connecting rod is equipped with rotational handle.

5. a kind of fast tune pipe vice according to claim 4, characterized in that the connecting pin of clutch linkage is equipped with movably The sliding ring set being set on worm shaft, when worm screw is in bonding station, the angle of the clutch linkage and worm shaft is 80 It spends between 100 degree.

6. a kind of fast tune pipe vice according to claim 4, characterized in that the articulated shaft stretches out the end of fixed caliper Equipped with radial screw hole, the rotational handle is equipped with the sleeve joint hole being set on articulated shaft, corresponds to diameter in the side of rotational handle The location hole of perforation sleeve joint hole is equipped with to screwhole position, the positioning hole is equipped with positioning screw, the inner end of the positioning screw It is threaded in the radial screw hole.

7. a kind of fast tune pipe vice according to claim 2, characterized in that the both ends of the worm shaft are slidably connected respectively On fixed caliper, the clutch include one end be hinged on fixed caliper clutch handle, be arranged on fixed caliper So that worm screw is resiliently positioned in the elastic element of bonding station, is equipped with against worm screw in the middle part of clutch handle close to moving caliper side Driving protrusion.

8. a kind of fast tune pipe vice according to claim 7, characterized in that the clutch handle includes being separately positioned on admittedly The front end of the clutch-plate bar of fixed clamp front and rear sides, the clutch-plate bar is hinged on the fixed caliper, the clutch-plate bar Rear end linked into an integrated entity by connection sheet, semicircle piece on the downside of clutch-plate bar is arranged in the driving protrusion with being integrated.

9. a kind of fast tune pipe vice according to claim 7, characterized in that the elastic element includes former and later two resets Spring, the reset spring compress the downside of corresponding one end worm shaft respectively.

10. a kind of fast tune pipe vice according to claim 2, characterized in that set respectively in the two sides up and down of sliding through hole There is containing groove, adjusts and be equipped with connection sheet, the forward fold shape of both sides of the edge up and down of connection sheet on rear side of section between sliding through hole At the detent piece for adjusting section that reclines, the detent piece of upper and lower two sides is located in the containing groove of corresponding side, the card in downside Bit slice is equipped with rectangle punching, and rectangle punching side widthwise edges, which are integrally inclined outwardly to extend to form, compresses containing groove bottom wall Elastic slice, in the containing groove of upside be equipped with compress upside detent piece pressure spring.